A question can only have one accepted answer. Are you sure you want to replace the current answer with this one?
You previously marked this answer as accepted. Are you sure you want to unaccept it?
how do I open ports?
Add comments here to get more clarity or context around a question. To answer a question, use the “Answer” field below.
Here's an introduction to ufw link. Simple example from that link to open up ssh port
sudo ufw allow 22